Compare AI tools
Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Runway S | Descript S | Rows A | HeyGen S | |
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| Tagline | The pro's AI video tool. Gen-4 is the current bar. | Edit video + podcasts by editing the transcript. | Spreadsheets with AI + live integrations baked in. | AI avatar videos. Record once, speak any language. |
| Category | Video | Video | Data | Video |
| Pricing | Free + $15-$95/mo | Free + $16-$50/mo | Free + $19-$89/user/mo | Free + $24-$65/mo |
| Best for | Marketing video, pitch decks, b-roll, creative shorts. | Podcasters, course creators, anyone editing talking-head content. | Ops teams, marketers, anyone building dashboards from multiple sources. | Course creators, multilingual marketers, anyone scaling video content. |
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| Kai's verdict | S-tier. Market leader with reason. Start here for serious video. | S-tier for content creators. Cuts editing time in half. Non-obvious but life-changing. | A-tier. The most interesting spreadsheet in years. Great for ops dashboards. | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. |
| Link | Open → | Open → | Open → | Open → |